9=4(k+13)-7

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Solution for 9=4(k+13)-7 equation: 



9=4(k+13)-7

We move all terms to the left:

9-(4(k+13)-7)=0



We calculate terms in parentheses: -(4(k+13)-7), so:

4(k+13)-7

We multiply parentheses

4k+52-7

We add all the numbers together, and all the variables

4k+45

Back to the equation:

-(4k+45)



We get rid of parentheses

-4k-45+9=0

We add all the numbers together, and all the variables

-4k-36=0

We move all terms containing k to the left, all other terms to the right

-4k=36

k=36/-4

k=-9

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